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Finding the Fourth Proportional to 355,510.20, 533,338.20 and 119,022.60

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Solution

The fourth proportional to 355,510.20, 533,338.20 and 119,022.60 is: 178,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,510.20 : 533,338.20 = 119,022.60 : x
  2. Step 2: Convert to fraction form
    355,510.20/533,338.20 = 119,022.60/x
  3. Step 3: Cross multiply
    355,510.20x = 533,338.20 × 119,022.60
  4. Step 4: Simplify right side
    355,510.20x = 63,479,299,243.32
  5. Step 5: Solve for x
    x = 63,479,299,243.32/355,510.20
  6. Step 6: Final answer
    x = 178,558.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.